Beispiel #1
0
int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
{
	bd_t	*bd = gd->bd;
	char	*s;
	int	machid = bd->bi_arch_number;
	void	(*theKernel)(int arch, uint params);

	/*
	 * allow the PREP bootm subcommand, it is required for bootm to work
	 */
	if (flag & BOOTM_STATE_OS_PREP)
		return 0;

	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
		return 1;

	theKernel = (void (*)(int, uint))images->ep;

	s = env_get("machid");
	if (s) {
		machid = simple_strtoul(s, NULL, 16);
		printf("Using machid 0x%x from environment\n", machid);
	}

	bootstage_mark(BOOTSTAGE_ID_RUN_OS);

	debug("## Transferring control to Linux (at address %08lx) ...\n",
	       (ulong)theKernel);

	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
#ifdef CONFIG_OF_LIBFDT
		debug("using: FDT\n");
		if (image_setup_linux(images)) {
			printf("FDT creation failed! hanging...");
			hang();
		}
#endif
	}

	/* we assume that the kernel is in place */
	printf("\nStarting kernel ...\n\n");

	cleanup_before_linux();
	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len)
		theKernel(machid, (unsigned long)images->ft_addr);

	/* does not return */

	return 1;
}
Beispiel #2
0
int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
{
	bd_t	*bd = gd->bd;
	char	*s;
	int	machid = bd->bi_arch_number;
	void	(*theKernel)(int zero, int arch, uint params);

#ifdef CONFIG_CMDLINE_TAG
	char *commandline = getenv("bootargs");
#endif

	/*
	 * allow the PREP bootm subcommand, it is required for bootm to work
	 */
	if (flag & BOOTM_STATE_OS_PREP)
		return 0;

	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
		return 1;

	theKernel = (void (*)(int, int, uint))images->ep;

	s = getenv("machid");
	if (s) {
		machid = simple_strtoul(s, NULL, 16);
		printf("Using machid 0x%x from environment\n", machid);
	}

	bootstage_mark(BOOTSTAGE_ID_RUN_OS);

	debug("## Transferring control to Linux (at address %08lx) ...\n",
	       (ulong)theKernel);

	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
#ifdef CONFIG_OF_LIBFDT
		debug("using: FDT\n");
		if (image_setup_linux(images)) {
			printf("FDT creation failed! hanging...");
			hang();
		}
#endif
	} else if (BOOTM_ENABLE_TAGS) {
#if defined(CONFIG_SETUP_MEMORY_TAGS) || \
	defined(CONFIG_CMDLINE_TAG) || \
	defined(CONFIG_INITRD_TAG) || \
	defined(CONFIG_SERIAL_TAG) || \
	defined(CONFIG_REVISION_TAG)
	setup_start_tag(bd);
#ifdef CONFIG_SERIAL_TAG
	setup_serial_tag(&params);
#endif
#ifdef CONFIG_REVISION_TAG
	setup_revision_tag(&params);
#endif
#ifdef CONFIG_SETUP_MEMORY_TAGS
	setup_memory_tags(bd);
#endif
#ifdef CONFIG_CMDLINE_TAG
	setup_commandline_tag(bd, commandline);
#endif
#ifdef CONFIG_INITRD_TAG
	if (images->rd_start && images->rd_end)
		setup_initrd_tag(bd, images->rd_start, images->rd_end);
#endif
	setup_end_tag(bd);
#endif

	/* we assume that the kernel is in place */
	printf("\nStarting kernel ...\n\n");

#ifdef CONFIG_USB_DEVICE
	{
		extern void udc_disconnect(void);
		udc_disconnect();
	}
#endif
	}
	cleanup_before_linux();
	if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len)
		theKernel(0, machid, (unsigned long)images->ft_addr);
	else
		theKernel(0, machid, bd->bi_boot_params);
	/* does not return */

	return 1;
}